期刊
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
卷 44, 期 44, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1751-8113/44/44/445310
关键词
-
资金
- National Natural Science Foundation of China [10775101]
The original definition of quantum discord of bipartite states was defined over projective measurements; in this paper we discuss some generalizations of it. These generalizations are defined over general measurements, rank-1 general measurements or Neumark extension measurements. We investigate the non-negativity, zero-discord sets of all these quantum discords and some properties of them.
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